package com.ruoyi.system.mapper;

import java.util.List;
import com.ruoyi.system.domain.TFocus;

/**
 * 关注Mapper接口
 * 
 * @author ruoyi
 * @date 2025-09-24
 */
public interface TFocusMapper 
{
    /**
     * 查询关注
     * 
     * @param followId 关注主键
     * @return 关注
     */
    public TFocus selectTFocusByFollowId(Long followId);

    /**
     * 查询关注列表
     * 
     * @param tFocus 关注
     * @return 关注集合
     */
    public List<TFocus> selectTFocusList(TFocus tFocus);

    /**
     * 新增关注
     * 
     * @param tFocus 关注
     * @return 结果
     */
    public int insertTFocus(TFocus tFocus);

    /**
     * 修改关注
     * 
     * @param tFocus 关注
     * @return 结果
     */
    public int updateTFocus(TFocus tFocus);

    /**
     * 删除关注
     * 
     * @param followId 关注主键
     * @return 结果
     */
    public int deleteTFocusByFollowId(Long followId);

    /**
     * 批量删除关注
     * 
     * @param followIds 需要删除的数据主键集合
     * @return 结果
     */
    public int deleteTFocusByFollowIds(Long[] followIds);
}
